The Crichton Leprechaun (known alternatively as the Mobile Leprechaun or Alabama Leprechaun) is an urban legend and internet meme involving a purported leprechaun seen in a tree in Crichton, a neighborhood of Mobile, Alabama. The Crichton Leprechaun rose to international fame in March 2006 following a news report filed at local NBC affiliate WPMI-TV. The video was posted to YouTube on St. Patrick's Day 2006 and fueled media attention to the story and the city. The clip became one of the first YouTube viral videos and was referenced in mainstream media. Merchandise relating to the video and an alleged sketch of the creature also rose in popularity.